Cheap Flights from Seattle (SEA) to Adelaide (ADL)

You can find one-way and return flights from SEA to ADL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to ADL ticket fares go up or down.

The cheapest months to fly from Seattle, WA (SEA) to Adelaide, SA (ADL) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter SEA to ADL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Adelaide, SA (ADL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

When looking for the best time to fly from Seattle-Tacoma International Airport (SEA) to Adelaide (ADL), it's all about balancing good prices with flight availability. You'll find the cheapest flights in August or February, with average return prices around AU$1606. However, May is a popular month for this route, meaning you'll have plenty of flight options and schedules to choose from, though prices might be a bit higher. If you can be flexible, aiming for August or February could save you some money, while May offers more convenience with a wider selection of flights.

While there aren't any direct flights, you'll find approximately 16 connecting flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Adelaide, SA (ADL). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Vancouver Intl. (YVR).

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Seattle, WA (SEA) to Adelaide, SA (ADL). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from Seattle - Tacoma Intl. (SEA) to Adelaide, SA (ADL) on a Thursday, with around 34 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and Air Canada. There are notably more flight options on Thursdays compared to other days of the week, so if flexibility is key, this could be a great day to consider flying.

The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Adelaide (ADL) are in the evening, between 6pm and 9pm. Many major carriers, including United, Air Canada and Alaska Airlines, offer flights during this window. This timing works well because you can make the most of your day in Seattle before your evening flight.

There are no nonstop flights from Seattle - Tacoma Intl. (SEA) to Adelaide (ADL). Flights with one stop typically take around 21 hours 48 minutes, covering a distance of approximately 13,418 kilometres. If you have two or more stops, your travel time will be longer, usually around 23 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.

Yes, you can fly business class from Seattle (SEA) to Adelaide (ADL). Airlines that offer business class service on this route include:

* Alaska Airlines
* Cathay Pacific
* Qatar Airways
* Singapore Airlines
* Japan Airlines
* Emirates
* American Airlines

It's easy to earn miles on a Seattle, WA (SEA) to Adelaide, SA (ADL) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Seattle, WA (SEA) to Adelaide, SA (ADL) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Seattle, WA (SEA) to Adelaide, SA (ADL) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Adelaide, SA (ADL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.